36446978322 has 32 divisors (see below), whose sum is σ = 81490196160. Its totient is φ = 12074456160.

The previous prime is 36446978291. The next prime is 36446978329. The reversal of 36446978322 is 22387964463.

36446978322 is a `hidden beast` number, since 36 + 446 + 97 + 83 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (36446978329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061579 + ... + 2079182.

It is an arithmetic number, because the mean of its divisors is an integer number (2546568630).

Almost surely, 2^36446978322 is an apocalyptic number.

36446978322 is an abundant number, since it is smaller than the sum of its proper divisors (45043217838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36446978322 is a wasteful number, since it uses less digits than its factorization.

36446978322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140935 (or 4140929 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 36446978322 in words is "thirty-six billion, four hundred forty-six million, nine hundred seventy-eight thousand, three hundred twenty-two".